1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
How many bridging oxygen atoms are present in P4O10?
A
6
B
4
C
2
D
5
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The rate of the reaction, 2NO + Cl2 $$ \to $$ 2NOCl is given by the rate equation rate = k[NO]2[Cl2]. The value of the rate constant can be increased by
A
increasing the temperature
B
increasing the concentration of NO
C
increasing the concentration of the Cl2
D
doing all of these.
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Consider the following relations for emf of an electrochemical cell
(i)   EMF of cell = (Oxidation potential of anode) $$-$$ (Reduction potential of cathode)
(ii)  EMF of cell = (Oxidation potential of anode) + (Reduction potential of cathode)
(iii) EMF of cell = (Reductional potential of anode) + (Reduction potential of cathode)
(iv) EMF of cell = (Oxidation potential of anode) $$-$$ (Oxidation potential of cathode)

Which of the above relations are correct?
A
(iii) and (i)
B
(i) and (ii)
C
(iii) and (iv)
D
(ii) and (iv)
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following expressions correctly represents the equivalent conductance at infinite diluation of Al2(SO4)3. Given that $$\mathop \Lambda \limits^ \circ $$Al3+ and $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$ are the equivalent conductances at infinite dilution of the respective ions?
A
$$2\mathop \Lambda \limits^ \circ $$Al3+   +   $$3\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
B
$$\mathop \Lambda \limits^ \circ $$Al3+   +   $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
C
($$\mathop \Lambda \limits^ \circ $$Al3+   +   $$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$) $$ \times $$ 6
D
$${1 \over 3}$$$$\mathop \Lambda \limits^ \circ $$Al3+   +   $${1 \over 2}$$$$\mathop \Lambda \limits^ \circ $$so$$_4^{2 - }$$
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